Element block pseudo-element :before generated with background padding 20px position static cursor default border 0px rgba(0,0,0,1) solid width 160px border-radius margin 0px font-weight normal box-shadow 1px 1px 1px rgba(0,0,0,0.3) line-height 1 font-size 16px height auto transition display block box-sizing content-box transform float none overflow hidden z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2)